Man, I'm a troll but he didn't say anything about it being bad for your eyesight. You just wanted to seem intelligent for knowing that. Did you learn that from Penn&Teller? I mean I'll admit that's where I first heard that it wasn't bad for your eyes to watch TV real close. It seems like it would be bad for your eyes. It is, after all, staring into a bright object. It would seem that it would burn something. Listening to loud music messes up your ears. It's only natural to assume that staring into a bright object at close range would mess up your sight.
At any rate, he didn't say it was bad for your eyes.
Also, to follow the argument, CRTs are heavy, become blurry, can be perfect in one spot and then curved or distorted in another no matter how much you adjust it, use more electricity, and take up much more space. I would much rather have a couple dead pixels than adjust another damn CRT ever.